They were giant, sometimes 8 feet long , and many of them lived in the swampy pools in which our coal seam, or layer, or formed.
它们体型巨大,有时有8英尺长,其中许多生活在沼泽地里,我们的煤层就是在这里形成的。
The average coal seam here is three feet thick.
这里的煤层平均为3英尺厚。
The hot new product in Queensland, though, is coal-seam gas.
然而目前昆士兰最热门的新产品是煤层气。
Most of it comes from off the coast of Western Australia, and most of this, like the coal-seam gas, is destined for Asia.
这其中绝大多数出自澳大利亚西海岸,此地出产的煤层气等绝大多数产品都销往亚洲。
An inversive research method was proposed through analyzing the complicated changing features of permeability of coal seam and the problems existing in actual measurement.
分析了煤层渗透率的复杂变化特点和实际测量上存在的问题,提出其反演方法。
This paper introduces condition, coal seam form change, distribute law of rock nature and rock phase, thick coal seam collect conditim in Hegang coal filed.
介绍了鹤岗煤田的地质情况,煤层空间形态变化,岩性、岩相的分布规律和厚煤层聚积条件。
Coal seam faults refer to those parallel to or intersected with seam at small angles.
顺煤断层是指断面沿煤层或与煤层呈小角度相交的断层。
The spontaneous combustion of coal seam is one of the major problems in safe production of coal mine.
煤层自燃问题一直困扰着我国煤矿的安全生产。
An integrated evaluation of coal seam fracture development in terms of coal seam breaking index and deforming coefficient to predict high permeability area.
本文采用煤层断裂破坏指数、变形系数对煤裂隙发育程度进行综合评价,来预测高渗区。
The gas distributed rule of coal seam is the base of preventing gas hazard.
煤层瓦斯赋存规律研究是瓦斯灾害防治的基础。
The structural deformation is the principal geological factor that affects the thickness variation of coal seam on a mine field scale.
构造作用是控制井田范围内煤层厚度变化的主要地质因素。
This paper deals with problems about thermo-dynamic theory of coal-seam gases.
本文讨论了有关煤层气体的若干热力学理论问题。
Exploration evaluation coal seam gas is a base of coal seam gas exploration and developing.
煤层气的勘探评价,是开展煤层气勘探与开发工作的基础。
Due to the coal seam particularity in Shendong Coal Mine, cracks appear at the radial seat of Eickoff SL500 shearer.
由于神东矿区煤层的特殊性,在使用艾柯夫公司SL500型采煤机时,摇臂座出现了裂缝。
Discussed the control factors forming hydrate in coal seam, and analyzed the characteristic of gas hydrate formation and decompose by experiment observe.
探讨了在煤层中瓦斯水合物生成的控制因素,并通过实验观察分析了瓦斯水合物生成和分解的特性。
In the exploration process of Xinheya coalfield in Hantai, great physical character differences between pyrite of nodule layer and that of coal seam were found.
在韩台煤田新和涯井田的勘探过程中发现,黄铁矿结核层与煤层中黄铁矿在物理性质方面存在较大差异。
The distribution patterns of underground coal seam is diversified. The plane distribution is only one of the simple curved surface distribution patterns.
地下开采煤层的分布形式多种多样,平面分布仅是曲面分布形式中的一种简单情况。
So it is feasible used the logging data to forecast coal seam gas content, and the applied value is enhance further.
证明用测井资料预测煤层瓦斯含量是可行的,从而进一步加强了测井资料的实际应用价值。
The gauge can simultaneously measure quantity and pressure of water infused into coal seam.
该水表能同时测定注入煤层中的水量和注水压力。
From Hales method, reversed refracted wave method shows accuracy and efficiency in detecting the thickness of remained coal seam.
以哈尔·斯法为例,将相遇折射波法用于剩余煤厚探测中,具有精确、高效、快速的特点。
Research on coal bedding structure is the theory foundation and precondition of coal seam gas exploitation.
煤体层理结构的研究是煤层气开发开采的理论基础和前提条件。
Essential way of solving the gas drainage problem of low permeability coal seam is to increase coal seam permeability.
解决低透气性煤层瓦斯抽放问题的根本途径是增加煤层的透气性。
It is difficult to evaluate the coal seam exploitation geological technology quantitatively which belongs to the qualitative questions.
传统的评价方法很难对煤层开采地质工艺性这一定性问题进行定量评价。
The mathematical model of complex coal seam is established by mathematical statistics method.
利用数理统计的方法建立复杂煤层的数学模型。
The structure and work theory of a new type of hydraulic lock of the thinnest coal seam shearer is described in this paper.
介绍了一种新研制的极薄煤层采煤机液压锁的结构特点及工作原理,并对其进行了性能实验。
Rockburst is catastrophic failure phenomena of rock mass and coal seam.
冲击地压是一种煤岩体的突然破坏现象。
The unit forecast method is applied to forecast quantitatively the complicated degree of small structure in main coal seam.
用单元预测法对研究区主采煤层小构造的复杂程度进行了定量预测。
Grave protrusion coal seam tunnelling hydraulic cutting protrusion-dispelling measures is a new technology in the world.
严重突出煤层掘进水力掏槽防突措施在国际上是一种防突新技术。
This paper goes further into the blast-winning technology of the composite coal seam face.
深入探讨了复合煤层回采工作面“松动放炮”落煤的工艺问题。
The way and principle of Gaussian curvature method for forecasting natural fracture zones in coal seam are discussed.
论述了高斯曲率法预测煤层天然裂隙发育区的基本原理和方法。
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